/**
 * Copyright (C) 2009 alex <me@alex.0x08.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package uber.netbsd.community.dao;

import java.io.File;
import javax.jdo.JDOHelper;
import javax.jdo.PersistenceManagerFactory;
import uber.netbsd.community.Loggered;

/**
 * There where PersistenceManagerFactory borns.
 * 
 * @author alex
 */

public final class StoreManager extends Loggered {

    private static PersistenceManagerFactory pmfInstance;

    protected StoreManager() {
    }

    private static void deleteDir(File dir) {
       
        if (dir.isDirectory()) {
            String[] children = dir.list();
            for (int i = 0; i < children.length; i++) {
                deleteDir(new File(dir, children[i]));

            }
        }
        /** The directory is now empty so delete it */
        if (!dir.delete()) {
            dir.deleteOnExit();
        }


    }

    public static PersistenceManagerFactory getFactory() {

        if (pmfInstance == null) {
            //new File("./dbtest.h2.db").delete();
            // deleteDir(new File("./dbtest"));
            pmfInstance = JDOHelper.getPersistenceManagerFactory("transactions-optional");
        }

        return pmfInstance;
    }
}
